Respected members, 12th Class Biology MCQS Available Here. In this pages your can get 12th Class Biology MCQS with Answers. You can read and practice, 12th Class Biology MCCQS on Different Topic, We make Online question bank with the help of experienced teachers and subject specialists.
FG Study / Quiz is also very useful website for online Quiz and Test sessions. Where FG STUDY Team Design and Develop large Database and Content Management System for the quizzes. We provide wide scale online quiz System for various educational and professional examination. If you are interested please visit our site FG Study Quiz
Remember That The FG STUDY Team Always provide unique and useful content for students. If you have any question or problem do not hesitate to contact us, we will be happy to reply, Thanks
Identical twins result from the fertilization of:
Two ova by one sperm
One ovum by the sperm
One ovum by the two sperms
Two ova by two sperms
A dichromate can perceive two primary colours but is unable to perceive the one whose opsins are missing due to
Transmutation
Metamorphosis
Mutation
Alteration
The outer layer of the blastocyst, which laterattaches tothe uterus , is:
Ammion
Inner cell mass
Trophoblast
Deciduas
A monochromat can perceive
Two colours
Yellow colours
Three colours
Only ane colour
Genes are located at specific loci on
Chromatids
Centromeres
Homologues
Chromosomes
The interaction between different genes occupying different loci is
Bombay phenotype
Linkage
Pleiotropy
Epistasis
Intelligence is also a case of polygenic inheritance which is strongly influenced by
Nature
Genes
Experience
Environment
ABO system has four different phenotypes which are distinct from each other on the basis of specific antigens on the surface of
Mitochondria
Centrioles
RBC
Gogli bodies
A woman can be bald only when she is
Heterozygous
Maleness
Homozygous recessive
Homozygous domunant
The protective coat which surrounds the embryo is known as:
Allantosis
Chorion
Chorio Allantoic
Amnion
Human skin colour is also a quantitative trait which is controlled by
1 – 3 gene pairs
3 – 6 gene pairs
Previous
None of these
A clear picture of the genetic basis of sex determination emerged after the discovery of
Y chromosomes
Sex chromosomes
X chromosomes
Autosomes
80% haemophiliacs suffer from haemophilia A due to abnormality of factor
IX
X
VIII
XI
ABO blood group system was discovered by
T.H.morgans
Karn Ladsteiner
Correns
Bernstein
The most important hormone in initiating and maintaning lacation after birth is:
We and our third party partners use cookies on our site to offer you a better browsing experience. AcceptReject
Privacy & Cookies Policy
Privacy Overview
This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.
